Câu hỏi: A hydroelectric dam ______________ in this area now.

A. is building

B. is being built

C. build

D. was built

Câu 1: I don't remember ...... of the decision to change the company policy on vacations. When was it decided?

A. telling

B. being told

C. to tell

D. to be told

Câu 2: People are destroying the air by adding ...... to it.

A. pollutants

B. polluters

C. pollution

D. polluted

Câu 3: It is possible for local wildlife to coexist ...... industry.

A. to

B. of

C. in

D. with

Câu 4: Laura reminded her roommate ...... her alarm clock for 6:00.

A. to set

B. setting

C. to be set

D. of setting

Câu 5: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 6: Deforestation _________ destroying Earth’s plant and animal variety.

A. are

B. be

C. is

D. being